diff --git a/tests/test_2700_aq.py b/tests/test_2700_aq.py
index b46b280..eeb389a 100644
--- a/tests/test_2700_aq.py
+++ b/tests/test_2700_aq.py
@@ -426,6 +426,7 @@ class TestCase(test_env.BaseTestCase):
         queue = self.connection.queue(self.book_queue_name,
                                       payloadType=books_type)
         self.assertEqual(queue.payload_type, books_type)
+        self.assertEqual(queue.payloadType, books_type)
         self.assertRaisesRegex(oracledb.ProgrammingError, "^DPY-2014:",
                                self.connection.queue, self.book_queue_name,
                                books_type, payloadType=books_type)
@@ -475,8 +476,8 @@ class TestCase(test_env.BaseTestCase):
         props1 = queue.deqone()
         self.assertTrue(props1 is None)
 
-    def test_2720_aq_notification(self):
-        "2720 - verify msgid of aq message which spawned notification "
+    def test_2720_aq_message_attributes(self):
+        "2720 - verify attributes of AQ message which spawned notification"
         if self.is_on_oracle_cloud(self.connection):
             self.skipTest("AQ notification not supported on the cloud")
         queue = self.get_and_clear_queue(self.book_queue_name,
@@ -486,7 +487,12 @@ class TestCase(test_env.BaseTestCase):
         def notification_callback(message):
             self.cursor.execute("select msgid from book_queue_tab")
             actual_msgid, = self.cursor.fetchone()
-            self.assertEqual(actual_msgid, message.msgid)
+            self.assertEqual(message.msgid, actual_msgid)
+            self.assertEqual(message.consumer_name, None)
+            main_user = test_env.get_main_user().upper()
+            self.assertEqual(message.queue_name,
+                             f'"{main_user}"."{queue.name}"')
+            self.assertEqual(message.type, oracledb.EVENT_AQ)
             with condition:
                 condition.notify()
         sub = connection.subscribe(namespace=oracledb.SUBSCR_NAMESPACE_AQ,
diff --git a/tests/test_2800_bulk_aq.py b/tests/test_2800_bulk_aq.py
index e13f8fd..947f2ad 100644
--- a/tests/test_2800_bulk_aq.py
+++ b/tests/test_2800_bulk_aq.py
@@ -1,5 +1,5 @@
 #------------------------------------------------------------------------------
-# Copyright (c) 2020, 2022, Oracle and/or its affiliates.
+# Copyright (c) 2020, 2023, Oracle and/or its affiliates.
 #
 # This software is dual-licensed to you under the Universal Permissive License
 # (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
@@ -191,5 +191,20 @@ class TestCase(test_env.BaseTestCase):
         actual_data = [m.payload for m in messages]
         self.assertEqual(actual_data, JSON_DATA_PAYLOAD)
 
+    def test_2808_no_json_payload(self):
+        "2808 - test enqueuing to a JSON queue without a JSON payload"
+        queue = self.get_and_clear_queue(JSON_QUEUE_NAME, "JSON")
+        props = self.connection.msgproperties(payload="string message")
+        self.assertRaisesRegex(oracledb.DatabaseError, "^DPI-1071:",
+                               queue.enqmany, [props, props])
+
+    def test_2809_errors_for_invalid_values(self):
+        "2809 - test errors for invalid values for enqmany and deqmany"
+        queue = self.get_and_clear_queue(JSON_QUEUE_NAME, "JSON")
+        props = self.connection.msgproperties(payload="string message")
+        self.assertRaises(TypeError, queue.enqmany, props)
+        self.assertRaises(TypeError, queue.enqmany, ["Not", "msgproperties"])
+        self.assertRaises(TypeError, queue.deqmany, "5")
+
 if __name__ == "__main__":
     test_env.run_test_cases()